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5
6 #ifndef __XFS_ERROR_H__
7 #define __XFS_ERROR_H__
8
9 struct xfs_mount;
10
11 extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
12 const char *filename, int linenum,
13 xfs_failaddr_t failaddr);
14 extern void xfs_corruption_error(const char *tag, int level,
15 struct xfs_mount *mp, void *buf, size_t bufsize,
16 const char *filename, int linenum,
17 xfs_failaddr_t failaddr);
18 extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
19 const char *name, void *buf, size_t bufsz,
20 xfs_failaddr_t failaddr);
21 extern void xfs_verifier_error(struct xfs_buf *bp, int error,
22 xfs_failaddr_t failaddr);
23 extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
24 const char *name, void *buf, size_t bufsz,
25 xfs_failaddr_t failaddr);
26
27 #define XFS_ERROR_REPORT(e, lvl, mp) \
28 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
29 #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \
30 xfs_corruption_error(e, lvl, mp, buf, bufsize, \
31 __FILE__, __LINE__, __return_address)
32
33 #define XFS_ERRLEVEL_OFF 0
34 #define XFS_ERRLEVEL_LOW 1
35 #define XFS_ERRLEVEL_HIGH 5
36
37
38 #define XFS_CORRUPTION_DUMP_LEN (128)
39
40
41
42
43 #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
44 { \
45 int fs_is_ok = (x); \
46 ASSERT(fs_is_ok); \
47 if (unlikely(!fs_is_ok)) { \
48 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
49 XFS_ERRLEVEL_LOW, mp); \
50 error = -EFSCORRUPTED; \
51 goto l; \
52 } \
53 }
54
55 #define XFS_WANT_CORRUPTED_RETURN(mp, x) \
56 { \
57 int fs_is_ok = (x); \
58 ASSERT(fs_is_ok); \
59 if (unlikely(!fs_is_ok)) { \
60 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
61 XFS_ERRLEVEL_LOW, mp); \
62 return -EFSCORRUPTED; \
63 } \
64 }
65
66 #ifdef DEBUG
67 extern int xfs_errortag_init(struct xfs_mount *mp);
68 extern void xfs_errortag_del(struct xfs_mount *mp);
69 extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
70 const char *file, int line, unsigned int error_tag);
71 #define XFS_TEST_ERROR(expr, mp, tag) \
72 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
73
74 extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
75 extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
76 unsigned int tag_value);
77 extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
78 extern int xfs_errortag_clearall(struct xfs_mount *mp);
79 #else
80 #define xfs_errortag_init(mp) (0)
81 #define xfs_errortag_del(mp)
82 #define XFS_TEST_ERROR(expr, mp, tag) (expr)
83 #define xfs_errortag_set(mp, tag, val) (ENOSYS)
84 #define xfs_errortag_add(mp, tag) (ENOSYS)
85 #define xfs_errortag_clearall(mp) (ENOSYS)
86 #endif
87
88
89
90
91
92 #define XFS_NO_PTAG 0
93 #define XFS_PTAG_IFLUSH 0x00000001
94 #define XFS_PTAG_LOGRES 0x00000002
95 #define XFS_PTAG_AILDELETE 0x00000004
96 #define XFS_PTAG_ERROR_REPORT 0x00000008
97 #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
98 #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
99 #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
100 #define XFS_PTAG_FSBLOCK_ZERO 0x00000080
101 #define XFS_PTAG_VERIFIER_ERROR 0x00000100
102
103 #endif